CN1453448A

CN1453448A - Driving mechanism for arched automatic door

Info

Publication number: CN1453448A
Application number: CN02118573A
Authority: CN
Inventors: 何鉊轩
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-28
Filing date: 2002-04-28
Publication date: 2003-11-05
Anticipated expiration: 2022-04-28
Also published as: CN1226526C

Abstract

The arced automatic door has one arced door frame and several arced door leaves and the driving mechanism is fixed to the door frame for the door leaves to open and close. The driving mechanism includes one driving wheel, one motor, one tail wheel, one belt, several blocks, several hanging brackets, several door leaf driving boards, several drawing rods, several L-shaped connecting frames, one motor support, one tail wheel support and one belt rail board. The telescopic drawing rods are used to correct the central position of the door leaves and regulate the strokes of the door leaves, the L--shaped connecting frames facilitate the assembly of the driving mechanism and the automatic door.

Description

The transmission mechanism of arched automatic door

Technical field

The present invention relates to a kind of arched automatic door, and be particularly related to a kind of transmission mechanism of arched automatic door.

Background technology

The transmission mechanism commonly used of arched automatic door, shown in the top plan view of prior art among Fig. 1, the structure of arched automatic door comprises the left and right door body 10,10 ' of circular arc horizontal cross sectional geometry, an and horizontal doorframe 11 of circular arc horizontal cross sectional geometry, in horizontal doorframe 11, be provided with the left and right door of guiding body 10,10 ' to be the device that the circular arc track moves, this device comprises a drive pulley 12 and by movable pulley 12 ', and it is installed in the two ends of the circumference of horizontal doorframe 11; Cingulum shape circulation belt 13 with the transport tape mode be surrounded on drive pulley 12 with by movable pulley 12 ', at the interior circular arc portion of cingulum shape circulation belt 13 1 sides and the cylindrical arch section of opposite side is to be as the criterion and formation respectively with " abutment line of door ", left and right door body 10,10 ' will be moved in circular arc track mode, this motion track has the radius that is equal to each other, and the equal concentric of each motion track is in the formed motion track central point of each body; Several rollers 14 are arranged with circular arc and regular intervals ground and are installed, its installation be along with center of arc's point of horizontal doorframe 11 arc surface of concentric mutually, roller 14 is that the external surface for the interior circular arc shaped portion of dentate band circulation belt 13 contacts with the inner surface of cylindrical arch section; Left and right door body 10,10 ' one of them be the interior circular arc shaped portion that is connected to dentate band circulation belt 13 1 sides, another body then is the cylindrical arch section that is connected to dentate band circulation belt 13 opposite sides.

Though the transmission mechanism of the above-mentioned automatic door leaf of circular arc can drive the action that left and right door body 10,10 ' past rightabout is done folding effectively, but dentate band circulation belt 13 does not obtain good circulation guiding and supports in mechanism, in the process of left and right door body 10,10 ' folding, dentate band circulation belt 13 can produce difform variation, even the dentate band circulation belt 13 of part can break away from the roller 14 that originally depended on.If dentate band circulation belt 13 walks when excessive because of tired, then possibly can't playback smoothly, and cause left and right door body 10, the 10 ' problem that can't open and close to due position; And the position that is provided with of roller 14 is the center of arc point phase concentric of transversely doorframe 11 and be circular-arc and uniformly-spaced arrange, and not only degree of difficulty height so is set, and must be noted that the accuracy of position, increased the degree of difficulty that mechanism assembles.

Fig. 2 is that the door body of prior art opens and closes the conduct schematic diagram, in Fig. 2, dentate band circulation belt 13 moves along the semicircular arc ring-type, left-hand door body 10 is fixed in the internal ring portion of dentate band circulation belt 13 with fixture 101, and right door body 10 ' is fixed in the outer portion of dentate band circulation belt 13 with fixture 101 ', and the formed semi-circumference of outer portion of dentate band circulation belt 13 is bigger than the formed semi-circumference of internal ring portion; Suppose that the abutment line G with the door closure is initial, calculate a left side toward the both sides circumferencial direction, right door body 10,10 ' folding displacement, work as a left side, right door body 10,10 ' when being opened into the limit, the distance of the central point range gate abutment line G of the fixture 101 of left-hand door body 10 is A, and the distance of the central point range gate abutment line G of the fixture 101 ' of right door body 10 ' is B, because of the formed semi-circumference of outer portion of dentate band circulation belt 13 bigger than the formed semi-circumference of internal ring portion, so two fixtures 101,101 ' central point walks to a left side, right door body 10,10 ' when opening the circumference relative position of the limit, and the travel distance A of fixture 101 is longer than the travel distance B of fixture 101 '.So, move in circles at dentate band circulation belt 13 and to rotate under the equidistant condition, left and right door body 10,10 ' is if based on its open limit, when being connected on the correspondence position of dentate band circulation belt 13 again, can't on dentate band circulates belt 13 formed semi-circumferences, oppose when left and right door body 10,10 ' opens and closes and wait the mobile of position, perhaps be utmost point distance difference slightly, but can cause situations such as closed extruding of a body or finedraw to produce.Solve these problems, must accurately calculate the proportional difference of the semi-circumference of the semi-circumference of left and right door body 10,10 ' width, internal ring portion and outer portion, extrapolate the formed angle angle of the central point and the imaginary center of circle of left and right door body 10,10 ' top width again, but how accurately no matter calculate again, error has been bound to when reality is carried out, this error promptly can cause left and right door body 10, the 10 ' problem that opens and closes, must transpose more accurately and could solve, its process is very complicated, require very accurately again, in fact be difficult to perfect and finish satisfactorily.

Summary of the invention

Therefore the object of the present invention is to provide a kind of transmission mechanism of arched automatic door, the stroke size that it can easily be revised the center of door leaf and adjust door leaf, and also assembling is simple.

The invention provides a kind of transmission mechanism of arched automatic door, this arched automatic door has a doorframe of circular arc type and several door leafs of circular arc type, and this transmission mechanism is fixed in this doorframe, and is used for opening and closed these door leafs.This transmission mechanism comprises a motor driving wheel, a motor, a tail wheel, a belt, several slide blocks, several suspension brackets, several door leafs drive plate and several pull bars.The rotation drive portion of motor driving wheel has several grooves; Motor drives the motor driving wheel with a driving belt; The rotation drive portion of tail wheel has several grooves; Strap lug is around in the left and right side of the rotation drive portion of motor driving wheel and tail wheel, the inner surface that is surrounded on the belt of motor driving wheel and tail wheel has several dentation protuberances, the groove of these dentation protuberances and motor driving wheel and tail wheel agrees with fully, makes belt, motor driving wheel and tail wheel come and go mobile with the form of transport tape; Several slide blocks are fixed in the left and right sides relative position of belt, come and go when mobile with the form of transport tape at belt, motor driving wheel and tail wheel, these slide blocks driven with rectilinear direction by belt and each other near or away from, these slide blocks have a connecting seat respectively, this Connection Block has joint pin; Several suspension brackets are fixed the upper end of these door leafs, and the roller in these suspension brackets rolls when the sliding tray of doorframe, can drive these door leafs unlatchings and closed; Several door leafs drive the part suspension bracket that plate is connected these suspension brackets, and these door leafs drive plate and have joint pin respectively; And, the two ends of several pull bars are individually fixed in the joint pin of Connection Block and these door leafs drive plate, these pull bars can be adjusted length, when these slide blocks are driven with rectilinear direction by belt, the end that these slide blocks drive these pull bars respectively moves, by with the other end of these pull bars drive these suspension brackets to be displaced into the sliding tray of doorframe with the form of lever.

Wherein, transmission mechanism also comprises several L type links, a motor bracket, a tail wheel bracket and a belt track plate.Several L type links are fixed on the arc orbit of sliding tray top of doorframe; Motor bracket is connected with one of them of these L type links, and motor and motor driving wheel are installed on this motor bracket; Tail wheel bracket is connected with one of them of these L type links, and tail wheel is installed on this tail wheel bracket; And, belt track plate is connected between motor bracket and the tail wheel bracket, this belt track plate has two grooves to form two tracks, belt is not placed in two grooves with the part that the rotation drive portion of tail wheel is contacted with the motor driving wheel, makes these slide blocks that are fixed on belt removable in two grooves.

According to above-mentioned purpose, the invention provides a kind of transmission mechanism of arched automatic door, the stroke size that it can easily be revised the center of door leaf and adjust door leaf, and also simple with the assembling of automatic door, can shorten built-up time significantly.

Other purpose of the present invention and advantage will be by subsequently detailed description and the claim of enclosing when can be clearer.

Description of drawings

Fig. 1 is the top plan view of prior art;

Fig. 2 is that the door body of prior art opens and closes the conduct schematic diagram;

Fig. 3 is the schematic diagram of arched automatic door of the present invention;

Fig. 4 is the exploded view of transmission mechanism of the present invention;

Fig. 5 is the schematic diagram that the present invention adjusts pull bar;

Fig. 6 A, Fig. 6 B are the schematic diagrames that L type link of the present invention is fixed in arc orbit;

Fig. 7 A, Fig. 7 B are the schematic diagrames that the present invention adjusts the belt elasticity; And

Fig. 8 A, Fig. 8 B, Fig. 8 C are the schematic diagrames that the present invention adjusts the center line of belt, motor driving wheel and tail wheel.[explanation of assembly numbering]

10,32a ... left-hand door fan 10 ', 32b ... right door leaf

11 ... horizontal doorframe 12 ... drive pulley

12 ' ... by movable pulley 13 ... cingulum shape circulation belt

14 ... roller 30 ... the automatic arc door machine

31 ... doorframe 33 ... transmission mechanism

34 ... motor driving wheel 35 ... motor

36 ... belt 37 ... tail wheel

38a, 38b ... slide block 39a, 39b, 39c, 39d ... suspension bracket

40a, 40b ... pull bar 41a, 41b ... door leaf drives plate

42a, 42b ... L type link 43 ... motor bracket

44 ... tail wheel bracket 45 ... belt track plate

46 ... sliding tray 47 ... arc orbit

51,52 ... rotation drive portion 53 ... the dentation protuberance

54a, 54b ... Connection Block 55a, 55b, 57a, 57b ... joint pin

56b, 56c ... roller 58a, 58b, 59a, 59b ... connector

60a, 60b, 61a, 61b, 62a, 62b ... Metallic rod

63a, 63a ', 63b, 63b ', 64a, 64b ... groove

71,72 ... screw junction 81 ... upper groove

82 ... low groove

83,87,88,89,95,96,97,98 ... screw

86 ... adjust tail wheel frame 90 ... adjust the folded up portion of tail wheel frame

91 ... the folded up portion 101,101 ' of tail wheel bracket ... fixture

The specific embodiment

Fig. 3 is the schematic diagram of arched automatic door of the present invention.In Fig. 3, arched automatic door 30 has a doorframe 31 of circular arc type, left and right door leaf 32a, 32b and the transmission mechanism 33 of circular arc type, and this transmission mechanism 33 is to be fixed on the doorframe 31, and is used for opening and closed left and right door leaf 32a, 32b.

In Fig. 3, transmission mechanism 33 comprises a motor driving wheel 34, a motor 35, a tail wheel 37, a belt 36, two slide block 38a, 38b, and four suspension bracket 39a, 39b, 39c, 39d, two pull bar 40a, 40b, two door leafs drive plate 41a, 41b, two L type link 42a, 42b, a motor bracket 43, a tail wheel bracket 44 and belt track plates 45.

Fig. 4 is the exploded view of transmission mechanism of the present invention.In Fig. 4, the rotation drive portion 51 of motor driving wheel 34 has several grooves; Motor 35 drives motor driving wheel 34 with a driving belt (not illustrating); The rotation drive portion 52 of tail wheel 37 has several grooves; Belt 36 is surrounded on the right flank (as shown in Figure 3) of the rotation drive portion 52 of the right flank of rotation drive portion 51 of motor driving wheel 34 and tail wheel 37, the inner surface that is surrounded on the belt 36 of motor driving wheel 34 and tail wheel 37 has several dentation protuberances 53, these dentation protuberances 53 agree with fully with motor driving wheel 34 these grooves with tail wheel 37, and belt 36, motor driving wheel 34 are moved so that the form of transport tape is round with tail wheel 37; Slide block 38a, 38b is the relative position that is fixed in belt about 36, at belt 36, motor driving wheel 34 and tail wheel 37 come and go when mobile with the form of transport tape, slide block 38a, 38b is made slide block 38a by belt 36 with the rectilinear direction drive, 38b each other near or away from, so the application of force can not cause belt 36 and slide block 38a, 38b comes off, wherein, slide block 38a, the employed material of 38b is a high density polyethylene (HDPE) (HDPE), its hardness height, friction factor is little and can not hurt belt 36, so need not add under the situation of any sliding agent, can resistance to wear and do not have friction noise, slide block 38a, 38b has Connection Block 54a respectively, 54b, and Connection Block 54a, 54b has joint pin 55a respectively, 55b; Suspension bracket 39a, 39b, 39c, 39d are the upper ends (as shown in Figure 3) of fixing left and right door leaf 32a, 32b, roller in suspension bracket 39a, 39b, 39c, 39d (roller 56b, 56c as shown in Figure 4 is difference corresponding suspension bracket 39b, 39c) rolls when the sliding tray 46 of doorframe 31 (as shown in Figure 3), then can drive left and right door leaf 32a, 32b closure or openness, suspension bracket 39b, 39c have door leaf respectively and drive plate 56b, 56c, and door leaf drive plate 56b, 56c have joint pin 57a, 57b respectively.

In Fig. 4, pull bar 40a, 40b is respectively by a left side, right connector 58a, 59a, 58b, 59b and

Metallic rod

60a, 61a, 62a, 60b, 61b, what 62b formed, Metallic rod 62a wherein, a 62b left side, right two ends have groove 63a respectively, 63a ', 63b, 63b ', and can be with

Metallic rod

60a, 61a, 60b, 61b inserts its groove 63a respectively, 63a ', 63b, among the 63b ', pull bar 40a, the left side of 40b, right connector 58a, 59a, 58b, 59b is individually fixed in Connection Block 54a, 54b and door leaf drive plate 41a, the joint pin 55a of 41b, 55b, 57a, 57b, pull bar 40a, 40b can adjust length, and adjustment

Metallic rod

60a, 61a, 60b, 61b inserts Metallic rod 62a respectively, the groove 63a of 62b, 63a ', 63b, position among the 63b ', and adjustment pull bar 40a, the length of 40b is the stroke size according to the size of automatic arc door machine or door leaf, and can easily revise a left side, right door leaf 32a, the center of 32b, at slide block 38a, when 38b is driven with rectilinear direction by belt 36, slide block 38a, 38b drives pull bar 40a respectively, the end of 40b moves, by with pull bar 40a, the other end of 40b drives suspension bracket 39b with the form of lever, the sliding tray 46 of 39c to be displaced into doorframe 31, therefore left, right door leaf 32a, when 32b is driven (being closure or openness), suspension bracket 39a, 39d is also along with a left side, right door leaf 32a, 32b is displaced into the sliding tray 46 of doorframe 31 together.As pull bar 40a, during 40b crooked (being that level angle is not 0 °), shown in the schematic diagram that the present invention of Fig. 5 adjusts pull bar, driving plate 41b at door leaf can go up in order to the screw junction 72 that is connected Metallic rod 60b and connector 58b with pull bar 40b in order to the screw junction 71 that is connected in suspension bracket 39c, the level angle of following adjustment pull bar 40b, so can avoid slide block 38b to push up the inner face of the groove 64b of belt track plate 45, to reduce the frictional force of slide block 38b in moving, similarly, also can adjust the adjustable height of pull bar 40b, when adjusting pull bar 40b, also to adjust the angle of pull bar 40b to suspension bracket 39c, protect joint pin 55b forever, the 57b running is sliding suitable, can be not stuck.

In Fig. 4, L type link 42a, 42b are fixed on the arc orbit 47 of sliding tray 46 tops of doorframe 31, and shown in Fig. 6 A and Fig. 6 B, it is the schematic diagram that L type link of the present invention is fixed in arc orbit.Do explanation (L type link 42a is identical fixing and connected mode with L type link 42b) with L type link 42b, in Fig. 6 A, the upper end of L type link 42b is inserted the upper groove 81 of arc orbit 47 earlier, again the lower end of L type link 42b is inserted the low groove 82 of arc orbit 47 afterwards, in Fig. 6 B, after L type link 42b finishes and inserts arc orbit 47, four screws 83 are locked in the L type link 42 and up to withstanding arc orbit 47, and the non-and arc orbit 47 relative faces of L type link 42 are withstood tightly,

low groove

81,82, so, under the situation that does not need instrument boring fixed conveyor mechanism 33 (with reference to figure 3), and can make transmission mechanism 33 firmly be fixed in doorframe 31, make that assembling transmission mechanism 33 can be simply and freely adjust the position in automatic arc door machine 30.

In Fig. 4, motor bracket 43 is connected with L type link 42b, and motor 35 is to be installed on the motor bracket 43 with motor driving wheel 34; Tail wheel bracket 44 is connected with L type link 42a, and tail wheel 37 is to be installed on the tail wheel bracket 44, if it is lax with the belt 36 of tail wheel 37 to be looped around motor driving wheel 34, and make belt 36 sagging, causing slide block 38a, 38b to move in groove 64a, the 64b of belt track plate 45 has some setbacks, then need adjust the elasticity of belt 36, shown in Fig. 7 A and Fig. 7 B, it is the schematic diagram that the present invention adjusts the belt elasticity.In Fig. 7 A, before belt 36 is not adjusted, belt 36 is A around the distance of the both sides of motor driving wheel 34 and tail wheel 37, one of tail wheel 36 is adjusted tail wheel frame 86 can be adjusted belt 36 in order to the screw junction that is connected in tail wheel bracket 44 elasticity, i.e. fixedly tail wheel bracket 44 and the screw 87 of adjusting tail wheel frame 86 earlier, 88 change pine, rotate the folded up portion 91 of tail wheel bracket 44 again and adjust screw 89 between the folded up portion 90 of tail wheel frame 86, making belt 36 is A+B around the distance of the both sides of motor driving wheel 34 and tail wheel 37, screw screw 87 afterwards again, 88, shown in Fig. 7 B, so just belt 36 can be tightened.

In Fig. 4, belt track plate 45 is to be connected between motor bracket 43 and the tail wheel bracket 44, belt track plate 45 has two

groove

64a, 64b is to form two tracks, belt 36 is not to be placed in two groove 64a with the rotation drive portion 51 of motor driving wheel 34 with the part that the rotation drive portion 52 of tail wheel 37 is contacted, in the 64b, make the slide block 38a that is fixed on belt 36,38b is removable in two groove 64a, in the 64b, if by 36 of belts around motor driving wheel 34 unjustified with tail wheel 37 formed center lines, and the formed center line of three does not align with the center line of belt track plate 45, and make the groove 64a of belt 36 at belt track plate 45, deflection in the 64b, cause slide block 38a, 38b is at the groove 64a of belt track plate 45, move in the 64b and have some setbacks, even it is stuck, then need adjust belt 36, the center line of motor driving wheel 34 and tail wheel 37, as Fig. 8 A, shown in Fig. 8 B and Fig. 8 C, it is that the present invention adjusts belt, the schematic diagram of the center line of motor driving wheel and tail wheel.In Fig. 8 A, be expression belt 36, motor driving wheel 34 and the unjustified situation of tail wheel 37 formed center lines, cause belt 36 to contact with the groove 64b inner face of belt track plate 45.In Fig. 8 B, motor bracket 43 (is a screw 97 with the screw junction that belt track plate 45 is connected, 98) and tail wheel bracket 44 (be screw 95 with the screw junction that belt track plate 45 is connected, 96) can adjust two the groove 64as of belt 36 at belt track plate 45, position among the 64b, promptly earlier with screw 95,96,97,98 change pine, adjust belt 36 again, align with tail wheel 37 threes' the center line center line of belt track plate 45 of motor driving wheel 34, screw screw 95 afterwards again, 96,97,98, shown in Fig. 8 C, just so finish the adjustment of above-mentioned center line.

Advantage of the present invention is that transmission mechanism can embed on the arc orbit of doorframe, and it is fixing need not hole, quick with the assembling of automatic door, can shorten built-up time significantly.

The length that another advantage of the present invention is a pull bar is flexible adjustable, therefore revises the center of door leaf and the stroke size of adjustment door leaf easily.

The present invention can make various specific illustrations not leaving under spirit of the present invention and the essential characteristic.The scope of the present invention claim of enclosing of serving as reasons limits, and is limited by above-mentioned explanation, and all variations that equate with the claim meaning all should be contained among the present invention.

Claims

1. the transmission mechanism of an arched automatic door, arched automatic door has a doorframe of circular arc type and a plurality of door leafs of circular arc type, and transmission mechanism is fixed in doorframe, and is used for opening and closed door leaf, and it is characterized in that: transmission mechanism comprises:

One motor driving wheel, its rotation drive portion has several grooves;

One motor, it drives the motor driving wheel with a driving belt;

One tail wheel, its rotation drive portion has several grooves;

One belt, it is surrounded on the left and right side of the rotation drive portion of motor driving wheel and tail wheel, the inner surface that is surrounded on the belt of motor driving wheel and tail wheel has several dentation protuberances, the groove of dentation protuberance and motor driving wheel and tail wheel agrees with fully, makes belt, motor driving wheel and tail wheel come and go mobile with the form of transport tape;

A plurality of slide blocks, it is fixed in the left and right sides relative position of belt, come and go when mobile with the form of transport tape at belt, motor driving wheel and tail wheel, slide block driven with rectilinear direction by belt and each other near or away from, slide block has a connecting seat respectively, and Connection Block has joint pin;

A plurality of suspension brackets, it is the upper end of door leaf fixedly, and the roller in suspension bracket rolls when the sliding tray of doorframe, can drive door leaf unlatching and closed;

A plurality of door leafs drive plate, and it is connected the part suspension bracket of suspension bracket, and door leaf drives plate and has joint pin respectively; And

A plurality of pull bars, its two ends are individually fixed in the joint pin of Connection Block and door leaf drive plate, pull bar can be adjusted length, when slide block is driven with rectilinear direction by belt, the end that slide block drives pull bar respectively moves, and the other end of the pull bar that is driven drives suspension bracket to be displaced into the sliding tray of doorframe with the form of lever.

2. the transmission mechanism of arched automatic door as claimed in claim 1, it is characterized in that: this transmission mechanism also comprises:

A plurality of L type links, it is fixed on the arc orbit of sliding tray top of doorframe;

One motor bracket, it is connected with one of them of L type link, and motor and motor driving wheel are installed on the motor bracket;

One tail wheel bracket, it is connected with one of them of L type link, and tail wheel is installed on this tail wheel bracket; And

One belt track plate, it is connected between motor bracket and the tail wheel bracket, belt track plate has two grooves to form two tracks, belt is not placed in two grooves with the part that the rotation drive portion of tail wheel is contacted with the motor driving wheel, makes the slide block that is fixed on this belt removable in two grooves.

3. the transmission mechanism of arched automatic door as claimed in claim 1, it is characterized in that: slide block is made by high density polyethylene (HDPE).

4. the transmission mechanism of arched automatic door as claimed in claim 1, it is characterized in that: door leaf drive plate in order to the screw junction that is connected in suspension bracket and pull bar in order to the screw junction that is connected can upper and lower adjustment pull bar level angle, also can adjust the adjustable height of those pull bars.

5. the transmission mechanism of arched automatic door as claimed in claim 2 is characterized in that: one of tail wheel is adjusted the tail wheel frame can be adjusted belt in order to the screw junction that is connected in tail wheel bracket elasticity.

6. the transmission mechanism of arched automatic door as claimed in claim 2, it is characterized in that: the screw junction that screw junction that motor bracket is connected with belt track plate and tail wheel bracket are connected with belt track plate, can adjust the position of belt in two grooves of belt track plate.